/*
 * Tencent is pleased to support the open source community by making TBase available.  
 * 
 * Copyright (C) 2019 Tencent.  All rights reserved.
 * 
 * TBase is licensed under the BSD 3-Clause License, except for the third-party component listed below. 
 * 
 * A copy of the BSD 3-Clause License is included in this file.
 * 
 * Other dependencies and licenses:
 * 
 * Open Source Software Licensed Under the PostgreSQL License: 
 * --------------------------------------------------------------------
 * 1. Postgres-XL XL9_5_STABLE
 * Portions Copyright (c) 2015-2016, 2ndQuadrant Ltd
 * Portions Copyright (c) 2012-2015, TransLattice, Inc.
 * Portions Copyright (c) 2010-2017, Postgres-XC Development Group
 * Portions Copyright (c) 1996-2015, The PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, The Regents of the University of California
 * 
 * Terms of the PostgreSQL License: 
 * --------------------------------------------------------------------
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without a written agreement
 * is hereby granted, provided that the above copyright notice and this
 * paragraph and the following two paragraphs appear in all copies.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
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 * DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE
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 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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 * 
 * Terms of the BSD 3-Clause License:
 * --------------------------------------------------------------------
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
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 * 3. Neither the name of Tencent nor the names of its contributors may be used to endorse or promote products derived from this software without 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
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 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
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 */
/*-------------------------------------------------------------------------
 *
 * replslotdesc.h
 *
 * Portions Copyright (c) 2019, TBase Development Group
 *
 * src/include/access/replslotdesc.h
 *
 *-------------------------------------------------------------------------
 */

#ifndef REPL_SLOT_H
#define REPL_SLOT_H

#include "access/xlog.h"
#include "access/xlogdefs.h"

typedef struct xl_replication_slot_create
{
    int             slotid;

    /* in ReplicationSlotPersistentData */
    NameData        slotname;
    Oid                database;
    int             persistency;
    TransactionId   xmin;
    TransactionId   catalog_xmin;
    XLogRecPtr        restart_lsn;
    XLogRecPtr        confirmed_flush;
    NameData        pluginname;

    /* in ReplicationSlot */
    TransactionId   effective_xmin;
    TransactionId   effective_catalog_xmin;
    bool            pgoutput;
    Oid             subid;      /* oid of subscription at remote */
    NameData        subname;    /* name of subscription at remote */

    Oid             relid;

} xl_replication_slot_create;

typedef struct xl_replication_slot_drop
{
    int             slotid;
    NameData        slotname;
} xl_replication_slot_drop;

typedef struct xl_replication_slot_rename
{
    int             slotid;
    NameData        old_slotname;
    NameData        new_slotname;
} xl_replication_slot_rename;

typedef struct xl_replication_slot_lsn_replica
{
    int             slotid;
    TransactionId   xmin;
    TransactionId   catalog_xmin;
    XLogRecPtr        restart_lsn;
    XLogRecPtr        confirmed_flush;
} xl_replication_slot_lsn_replica;

#define XLOG_REPLORIGIN_SLOT_CREATE         0x10
#define XLOG_REPLORIGIN_SLOT_LSN_REPLICA    0x20
#define XLOG_REPLORIGIN_SLOT_DROP           0x40
#define XLOG_REPLORIGIN_SLOT_RENAME         0x60

extern void replication_slot_redo(XLogReaderState *record);
extern void replication_slot_desc(StringInfo buf, XLogReaderState *record);
extern const char * replication_slot_identify(uint8 info);

#endif                          /* REPL_SLOT_H */
